Thill-coupling



NSLEY,Jr. I L COUPLING.

Patented Sept.- 26, 1893.

( No Model.)

I JNVENTDR 7 WITNEEEEE WZIZZWU 4' QQ aA UNITED STATES THOMAS RANSLEY, JR.,

PATENT OFFICE.

OF TROY, NEW YORK.

THILL-COUPLING.

SPECIFICATION forming part of Letters Patent No. 505,674, datedSeptember 26,1893.

Application filed November 25, 1892. Serial No. 453,049. (No model.)

To all whom it may concern.-

Be it known that I, THOMAS RANSLEY, J r., of the city of Troy, county ofRensselaer, and State of New York, have invented a new and usefulImprovement in Thin-Shackles, of which the following is a specification.

My invention relates to thill shackles and my improvements thereon havefor their object the better adaptation of this class of devices to theuses for which they are designed.

Accompanying this specification to form a part of it there is a sheet ofdrawings containing six figures illustrating my invention, with the samedesignation of parts by letter reference used in all of them.

Of the illustrations Figure 1 is a side elevation of a shackle,containing my invention, with a part of the axle and axle baseplateshown in cross section. Fig. 2 is a top view of the shackle with part ofthe clip by which it is attached to the axle shown in transversesection, showing also a part of the thill. Fig. 3 is a section taken onthe line or, w, of Fig. 1. Fig. 4: is a section taken on the line m 00of Fig. 2. Fig. 5 is a perspective 'of the body-part showing a part ofthe clip as broken off, and Fig. 6 is a perspective of one of thecapforin end bearings of the shackle journal.

The several parts of the shackle and thill thus illustrated aredesignated by letter reference and the function of the parts isdescribed as follows:

The letterA designates the axle, O the clip, by which the shackle isconnected to the axle, and the letter P designates the axle baseplate.

The letter T designates the thill, which at its rounded shackle end ismade with two convex ball j ournaling faces or cheeks, which areproduced upon each of the opposite sides of the thill. These journalingfaces are designated at F.

The letter R designatesv a rib that is arranged between the cheek-forinjournals F, and this rib in circular form extends outwardly from thelatter, where within their bearings, so as to be flush with the latter.

The letters J and J designate two journal boxes or bearings, each havinga concave face 3', corresponding in its concavity to the convexity ofthe cheeks or journals F, so that when the latter upon the shackle endof the thill are placed between said bearings and the thill is operatedat its outer end to rise or fall, said checks will rotate in thebearings J and J with the rib R, where projecting beyond the cheeksbetween and flush with the adjacent edges e, of said bearings.

The letter Idesignates a bolt, which at one of its ends is made with ahead H, and at its other end is provided with a threaded nut N, and thisbolt passes through the end bearings J and J and the shackle end E ofthe thill T, at the transverse center of the thill end and each of thebearings J and J The letters 0 designate the bolt passages in thebearings, and O the bolt passage through the shackle end of the thill.

The letter B designates the body-part of the shackle on which is securedthe clip 0. The bearing J is made integrally with the body-part, andprojected frontwardly therefrom at one side of the former, and thisbodypart is made with a socket S, that is T-form in cross section, andthis socket is formed in that end of the body-part which is opposite tothat from which is projected the concave bearingJ. The concave bearing J2 is made with a key-piece K, that is projected from the said bearing atone side of its concave face, and this key-piece is of a T-form in crosssection, and so that when the key-piece enters the socket S, itinterlocks therein.

The letter D designates a concavity formed in the body-part B, intowhich the rib R, where projecting beyond the cheeks F, r0 tates when theouter end of the thill is raised or depressed.

As thus made and arranged when the outer end of the thill is raised ordepressed, the shackle end turns in the bearings J and J and also in theconcave surface D, formed in the shackle body B. So constructed andarranged theparts may be always kept in contact by means of the bolt I,and any slack motion from wearing may be readily and easily taken up bythe nut N, on the bolt I. The construction of the journal part J,integrally with the body-part, and with a T-form socket, provides ameans by which the bean ing J may connect with the body-part through theconstruction of the key-piece K, so as to avoid theeffect of torsionalstrain,

and permits of adjustment on a line of the bolt connection to take upslack on account of wear.

By making the thill end with rounded journal cheek-form surfaces at thesides, and an intermediate projecting and encircling rib, the journalingfaces of the thill end have three bearings which act to keep the partstogether; one of these bearings is in each of the cheekform journals,where the latter are rounded out concavely to receive the convexlyrounded bearing faces of the thill sides at the thill end; one where therib R, journals between the straight sides a, e, of the cheek-form journals, and another where the rib journals in the concavity D, of thebody-part B. As thus made with the bolt I, passing through the thill endbearings and the cheek-form journals, the thill can only vibratevertically, making my device differ from older devices in which onecheek-form journal is formed in an ear made integrally with thebody-part and another in an ear that connects with the latter, by meansof a bolt that does not pass through the thill at all, or one having anear made integrally with the body-part, and another making a slidingconnection with the latter With fiatbearingsurfaces between which thethill end is inserted and secured by a bolt passing through the thillend and the ears.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

1. In a thill-shackle, the combination with a convex journal face formedon each side of the shackle end of the thill, and an encircling ribarranged between said journal faces to project beyond the latter, saidjournal end of the thill being made with a transverse bolt passage, of abody-part having a concavity adapted to receive said rib, and made witha projection having a concave bearing, a central bolt passage and a T-form socket; and a concave bearing-part having upon one end a T- formkey-piece adapted to interlock with the socket of the body-part, and abolt provided with a head and threaded nut, adapted to be passed throughsaid bearing parts and intermediately placed j ournal-end of the thill,substantially as and for the purposes set forth.

2. The combination with the rounded shackle end of the thill'l, madewith the convex side journal surfaces F, F, and the rib R, of thebody-part B, made with the concave journal bearing J, the concavity D,and the T form socket S; the concave journal bearing part J made withthe T- form key-plate K, and the headed bolt I, made to pass centrallythrough said journal bearings and the thill end 'l, substantially in themanner as and for the purposes set forth.

Signed at Troy, New York, this 12th day of October, 1892,and in thepresence of the two witnesses whose names are hereto written.

THOMAS RANSLEY, JR. Witnesses:

W. E. HAGAN, CHARLES S. BRINTNALL.

